212021112203 has 2 divisors, whose sum is σ = 212021112204. Its totient is φ = 212021112202.

The previous prime is 212021112139. The next prime is 212021112229. The reversal of 212021112203 is 302211120212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212021112203 - 2⁶ = 212021112139 is a prime.

It is not a weakly prime, because it can be changed into another prime (212021112403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106010556101 + 106010556102.

It is an arithmetic number, because the mean of its divisors is an integer number (106010556102).

Almost surely, 2^212021112203 is an apocalyptic number.

212021112203 is a deficient number, since it is larger than the sum of its proper divisors (1).

212021112203 is an equidigital number, since it uses as much as digits as its factorization.

212021112203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 212021112203 its reverse (302211120212), we get a palindrome (514232232415).

The spelling of 212021112203 in words is "two hundred twelve billion, twenty-one million, one hundred twelve thousand, two hundred three".